Matowo, Nancy S. https://orcid.org/0000-0002-2302-3796
Tanner, Marcel
Munhenga, Givemore
Mapua, Salum A.
Finda, Marceline
Utzinger, Jürg
Ngowi, Vera
Okumu, Fredros O.
Funding for this research was provided by:
Wellcome Trust Intermediate Fellowship in Public Health and Tropical Medicine (WT102350/Z/13/Z)
The World Health Organization’s Tropical Disease Research (Ref: 2015/590235-0)
Swiss Government Excellence Scholarship via the Federal Commission for Scholarships for Foreign Students FCS (Ref number: 2017.0786)
Article History
Received: 18 May 2020
Accepted: 9 July 2020
First Online: 16 July 2020
Ethics approval and consent to participate
: Written informed consent was sought from the retailers of agrovet stores and farmers upon their agreement to be involved in the study. Ethical review and approval were granted by the Institutional Review Board (IRB) of the Ifakara Health Institute (IHI) (reference no. IHI/IRB/NO: 35-2015) and the Medical Research Coordinating Committee at the National Institute for Medical Research (NIMR) in Tanzania (Reference No. NIMR/HQ/R.8a/Vol.IX/2162).
: The permission to publish this work was obtained from the Director of Research Information, Technology and Communication from NIMR in Tanzania (reference no.: NIMR/HQ/P.12 VOL XXX/). Farmers provided consents for the photos to be taken and used for research dissemination.
: The authors declare that they have no competing interests.